RARE 1950 ' S VINTAGE - FRACTRON FRACTION OF AN INCH ADDING MACHINE -
Item History & Price
| Reference Number: Avaluer:14228445 | Country/Region of Manufacture: United States |
CHECK OUT THIS VINTAGE MATHEMATICS INSTRUMENT......IN EXCELLENT CONDITION....NEVER USED!
UPON RETIRING AFTER 24 YEARS AS A HIGH SCHOOL MATH TEACHER....I BEGAN CLEARING OUT MY DESK DRAWERS, STORAGE CABINETS, NUMEROUS FILE DRAWERS AND HIDDEN LITTLE BOXES OF TREASURES....AND CAME ACROSS THIS LITTLE 1950'S JEWEL THAT HAD BEEN CAREFULLY PROTECTED IN A ZIP-LOCK BAG FOR DECADES ....WAY IN THE BACK OF A DRAWER OF MATH INSTRUMENTS!
THIS MOST UNIQUE PIECE OF HISTORY HAS BEEN UNEARTHED AF...TER DECADES....IN ITS PROTECTIVE POUCH ALONG WITH ITS ORIGINAL INSTRUCTIONAL PAPERWORK (YELLOWING FROM AGE)!
THIS TRULY NEAT PIECE IS CALLED A "FRACTRON" BY ITS MANUFACTURER. IT IS A TRULY UNIQUE INSTRUMENT USED AS A FRACTION OF AN INCH ADDING MACHINE. IT HAS ONLY 1 ROTATING PART THAT IS OPERATED BY USING A PENCIL TIP. INSTRUMENT COMES WITH ITS ORIGINAL MANUFACTURER'S INSTRUCTIONS AND DIAGRAMS FOR EASY USE.
THIS WAS MADE IN FORT LAUDERDALE, FLORIDA. PATENT# D-169, 941 APPROX. 1953IT IS BRAND NEW/NEVER USED...SEE PHOTOS .
UPON RETIRING AFTER 24 YEARS AS A HIGH SCHOOL MATH TEACHER....I BEGAN CLEARING OUT MY DESK DRAWERS, STORAGE CABINETS, NUMEROUS FILE DRAWERS AND HIDDEN LITTLE BOXES OF TREASURES....AND CAME ACROSS THIS LITTLE 1950'S JEWEL THAT HAD BEEN CAREFULLY PROTECTED IN A ZIP-LOCK BAG FOR DECADES ....WAY IN THE BACK OF A DRAWER OF MATH INSTRUMENTS!
THIS MOST UNIQUE PIECE OF HISTORY HAS BEEN UNEARTHED AF...TER DECADES....IN ITS PROTECTIVE POUCH ALONG WITH ITS ORIGINAL INSTRUCTIONAL PAPERWORK (YELLOWING FROM AGE)!
THIS TRULY NEAT PIECE IS CALLED A "FRACTRON" BY ITS MANUFACTURER. IT IS A TRULY UNIQUE INSTRUMENT USED AS A FRACTION OF AN INCH ADDING MACHINE. IT HAS ONLY 1 ROTATING PART THAT IS OPERATED BY USING A PENCIL TIP. INSTRUMENT COMES WITH ITS ORIGINAL MANUFACTURER'S INSTRUCTIONS AND DIAGRAMS FOR EASY USE.
THIS WAS MADE IN FORT LAUDERDALE, FLORIDA. PATENT# D-169, 941 APPROX. 1953IT IS BRAND NEW/NEVER USED...SEE PHOTOS .
